Allow protocol modules to declare that the IRCd supports tags.

This is not being used currently but will be soon.

include/protocol.h

@@ -62,6 +62,8 @@ class CoreExport IRCDProto : public Service
 	bool CanSVSHold;
 	/* See ns_cert */
 	bool CanCertFP;
+	/* Can we send arbitrary message tags? */
+	bool CanSendTags;
 	/* Whether this IRCd requires unique IDs for each user or server. See TS6/P10. */
 	bool RequiresID;
 	/* If this IRCd has unique ids, whether the IDs and nicknames are ambiguous */

modules/protocol/inspircd.cpp

@@ -66,6 +66,7 @@ class InspIRCdProto : public IRCDProto
 		CanSZLine = true;
 		CanSVSHold = true;
 		CanCertFP = true;
+		CanSendTags = true;
 		RequiresID = true;
 		MaxModes = 20;
 		MaxLine = 4096;

src/protocol.cpp

@@ -25,7 +25,7 @@ IRCDProto::IRCDProto(Module *creator, const Anope::string &p) : Service(creator,
 {
 	DefaultPseudoclientModes = "+io";
 	CanSVSNick = CanSVSJoin = CanSetVHost = CanSetVIdent = CanSNLine = CanSQLine = CanSQLineChannel
-		= CanSZLine = CanSVSHold = CanCertFP = RequiresID = AmbiguousID = false;
+		= CanSZLine = CanSVSHold = CanCertFP = CanSendTags = RequiresID = AmbiguousID = false;
 	MaxModes = 3;
 	MaxLine = 512;